2,3,3',4,4',5'-Hexachlorobiphenyl (157) Back Catalog number: 68157 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8646.12-50-NN 1,2,3,4,7-Pentachlordibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 1000.5-1ML Ethyl-n-propylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 4110-50-3 Price on request 50238 ICP Mix #2 Price on request